Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
DONALDSON CO INC
301 5TH AVE SW, OELWEIN, IA, 50662
Parent company: NA
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) across all available years.
Full release table
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| All values in pounds (lbs) | ||||||
|---|---|---|---|---|---|---|
| Year | Xylene (mixed isomers) | 1,1,1-Trichloroethane | Toluene | Total (lbs) | ||
| 1998 | 15,062 | — | — | 15,062 | ||
| 1997 | 14,426 | — | — | 14,426 | ||
| 1996 | 15,063 | — | — | 15,063 | ||
| 1995 | 20,096 | — | 7,798 | 27,894 | ||
| 1994 | 20,798 | — | — | 20,798 | ||
| 1993 | 23,451 | — | — | 23,451 | ||
| 1992 | 33,426 | 19,101 | — | 52,527 | ||
| 1991 | 30,335 | 17,074 | — | 47,409 | ||
| 1990 | 40,537 | 12,683 | — | 53,220 | ||
| 1989 | 44,603 | 17,906 | — | 62,509 | ||
| 1988 | — | 6,731 | 19,457 | 26,188 | ||
| 1987 | 55,890 | — | 18,484 | 74,374 | ||
▎ Facilities report to EPA's TRI once they manufacture, process, or use a listed chemical above set thresholds. Once that threshold is crossed, they must report actual releases regardless of size — so a small number reflects genuine low-level discharge, not a data error.